Chicago-Latrobe Taper Length Drill, General Purpose, Series: 120, #42 Drill - Wire, 0.0935 in Drill - Decimal, 4-1/4 in Overall Length, 2-1/4 in Depth of Cut, Spiral Flute, 2-1/4 in Flute Length, 0.0935 in Shank, Straight Shank, 118 Degree Point, Conventional Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Carbon Steel, Alloy Steel, and Cast Iron